| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024pen•ny•roy•al (pen′ē roi′əl),USA pronunciation n. - Plant Biologyan aromatic Old World plant, Mentha pulegium, of the mint family, having clusters of small purple flowers and yielding a pungent essential oil used medicinally and as an insect repellent.
- Plant BiologyAlso called mock pennyroyal. a similar, related plant, Hedeoma pulegioides, of eastern North America, having bluish flowers growing from the leaf axils.
- Plant Biologyany of several other aromatic plants of the mint family.
- Latin *pūlēgiōlum, diminutive of pūlēgium pennyroyal) + real, earlier form of royal
- Anglo-French; Middle French poliol (
- 1520–30; penny + royal; replacing late Middle English puliol real
Collins Concise English Dictionary © HarperCollins Publishers:: pennyroyal /ˌpɛnɪˈrɔɪəl/ n - a Eurasian plant, Mentha pulegium, with hairy leaves and small mauve flowers, that yields an aromatic oil used in medicine: family Lamiaceae (labiates)
- Also called: mock pennyroyal a similar and related plant, Hedeoma pulegioides, of E North America
Etymology: 16th Century: variant of Anglo-Norman puliol real, from Old French pouliol (from Latin pūleium pennyroyal) + real royal |